Home / 14,627.52-21,928.20-5,391.36

Finding the Fourth Proportional to 14,627.52, 21,928.20 and 5,391.36

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Solution

The fourth proportional to 14,627.52, 21,928.20 and 5,391.36 is: 8,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.52 : 21,928.20 = 5,391.36 : x
  2. Step 2: Convert to fraction form
    14,627.52/21,928.20 = 5,391.36/x
  3. Step 3: Cross multiply
    14,627.52x = 21,928.20 × 5,391.36
  4. Step 4: Simplify right side
    14,627.52x = 118,222,820.35
  5. Step 5: Solve for x
    x = 118,222,820.35/14,627.52
  6. Step 6: Final answer
    x = 8,082.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.